Home / 124,809.54-172,237.25-68,220.91

Finding the Fourth Proportional to 124,809.54, 172,237.25 and 68,220.91

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Solution

The fourth proportional to 124,809.54, 172,237.25 and 68,220.91 is: 94,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,809.54 : 172,237.25 = 68,220.91 : x
  2. Step 2: Convert to fraction form
    124,809.54/172,237.25 = 68,220.91/x
  3. Step 3: Cross multiply
    124,809.54x = 172,237.25 × 68,220.91
  4. Step 4: Simplify right side
    124,809.54x = 11,750,181,930.90
  5. Step 5: Solve for x
    x = 11,750,181,930.90/124,809.54
  6. Step 6: Final answer
    x = 94,144.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.